"Qawwat al-Islam Mosque. According to my findings the first mosque of Delhi is Qubbat all-Islam or Quwwat al-Islam which, it is said, Qutbud-Din Aibak constructed in H. 587 after demolishing the temple built by Prithvi Raj and leaving certain parts of the temple (outside the mosque proper); and when he returned from Ghazni in H. 592, he started building, under orders from Shihabud-Din Ghori, a huge mosque of inimitable red stones, and certain parts of the temple were included in the mosque. Mosques of Alamgir (Aurangzeb). It is said that the mosque of Benares was built by Alamgir on the site of the Bisheshwar Temple. That temple was very tall and (held as) holy among the Hindus. On this very site and with those very stones he constructed a lofty mosque, and its ancient stones were rearranged after being embedded in the walls of the mosque. It is one of the renowed mosques of Hindustan. The second mosque at Benares (is the one) which was built by Alamgir on the bank of the Ganga with chiselled stones. This also is a renowned mosque of Hindustan. It has 28 towers, each of which is 238 feet tall. This is on the bank of the Ganga and its foundations extend to the depth of the waters. Alamgir built a mosque at Mathura. It is said that this mosque was built on the site of the Gobind Dev Temple which was very strong and beautiful as well as exquisite…”"